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DE60327629D1 - Vorrichtung und verfahren mit bedingtem zugang - Google Patents

Vorrichtung und verfahren mit bedingtem zugang

Info

Publication number
DE60327629D1
DE60327629D1 DE60327629T DE60327629T DE60327629D1 DE 60327629 D1 DE60327629 D1 DE 60327629D1 DE 60327629 T DE60327629 T DE 60327629T DE 60327629 T DE60327629 T DE 60327629T DE 60327629 D1 DE60327629 D1 DE 60327629D1
Authority
DE
Germany
Prior art keywords
stream
decryption information
encrypted data
stored
items
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60327629T
Other languages
English (en)
Inventor
Franciscus L Kamperman
Albert M Rijckaert
Rijnsoever Bartholomeus J Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Irdeto BV
Original Assignee
Irdeto Eindhoven BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Irdeto Eindhoven BV filed Critical Irdeto Eindhoven BV
Application granted granted Critical
Publication of DE60327629D1 publication Critical patent/DE60327629D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Vehicle Body Suspensions (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Television Signal Processing For Recording (AREA)
DE60327629T 2002-06-12 2003-05-27 Vorrichtung und verfahren mit bedingtem zugang Expired - Fee Related DE60327629D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02077291 2002-06-12
PCT/IB2003/002341 WO2003107670A1 (en) 2002-06-12 2003-05-27 Conditional access apparatus and method

Publications (1)

Publication Number Publication Date
DE60327629D1 true DE60327629D1 (de) 2009-06-25

Family

ID=29724482

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60327629T Expired - Fee Related DE60327629D1 (de) 2002-06-12 2003-05-27 Vorrichtung und verfahren mit bedingtem zugang

Country Status (9)

Country Link
US (1) US20060072611A1 (de)
EP (1) EP1516488B1 (de)
JP (1) JP2006512793A (de)
KR (1) KR20050010042A (de)
CN (1) CN100588245C (de)
AT (1) ATE431678T1 (de)
AU (1) AU2003233104A1 (de)
DE (1) DE60327629D1 (de)
WO (1) WO2003107670A1 (de)

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CN100358359C (zh) * 2002-04-19 2007-12-26 爱迪德艾恩德霍芬公司 条件性访问的系统和设备
JP4306365B2 (ja) * 2003-08-07 2009-07-29 ソニー株式会社 サーバ及びコンテンツ受信装置
US7937579B2 (en) * 2005-03-16 2011-05-03 Dt Labs, Llc System, method and apparatus for electronically protecting data and digital content
US20100005509A1 (en) * 2005-03-16 2010-01-07 Dt Labs, Llc System, method and apparatus for electronically protecting data and digital content
US8613107B2 (en) * 2005-03-16 2013-12-17 Dt Labs Development, Llc System, method and apparatus for electronically protecting data associated with RFID tags
US7941376B2 (en) * 2005-03-16 2011-05-10 Dt Labs, Llc System and method for customer authentication of an item
US10636040B2 (en) 2005-03-16 2020-04-28 Dt Labs, Llc Apparatus for customer authentication of an item
US8261058B2 (en) * 2005-03-16 2012-09-04 Dt Labs, Llc System, method and apparatus for electronically protecting data and digital content
KR100789382B1 (ko) * 2005-12-09 2007-12-28 한국전자통신연구원 지상파 ｄｍｂ 비디오, 오디오, 부가 데이터의 제한수신 시스템
WO2007132165A1 (en) * 2006-05-04 2007-11-22 Nds Limited Scrambled digital data item
US8510846B1 (en) 2006-06-29 2013-08-13 Google Inc. Data encryption and isolation
US9060096B2 (en) * 2007-07-26 2015-06-16 The Directv Group, Inc. Method and system for forming a content stream with conditional access information and a content file
WO2013036238A1 (en) * 2011-09-09 2013-03-14 Draeger Medical Systems, Inc. Systems and methods of cable management
JP6721832B2 (ja) * 2016-08-24 2020-07-15 富士通株式会社 データ変換プログラム、データ変換装置及びデータ変換方法

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FR2656489B1 (fr) * 1989-12-22 1995-08-04 France Etat Dispositif de consultation intelligible de la nature des droits d'acces a un service de television et/ou de radio a peage.
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CN100358359C (zh) * 2002-04-19 2007-12-26 爱迪德艾恩德霍芬公司 条件性访问的系统和设备

Also Published As

Publication number Publication date
CN100588245C (zh) 2010-02-03
EP1516488A1 (de) 2005-03-23
CN1659880A (zh) 2005-08-24
EP1516488B1 (de) 2009-05-13
US20060072611A1 (en) 2006-04-06
KR20050010042A (ko) 2005-01-26
AU2003233104A1 (en) 2003-12-31
WO2003107670A1 (en) 2003-12-24
JP2006512793A (ja) 2006-04-13
ATE431678T1 (de) 2009-05-15

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee